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Special Charges - Narrative (Details) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2023 Aircraft	Mar. 31, 2025 USD ($) Aircraft	Dec. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2024 Aircraft	Dec. 31, 2023 Aircraft
Property, Plant and Equipment [Line Items]
Number of aircraft retired | Aircraft	21	2			7	2
Number Of Aircraft Committed To Purchase | Aircraft		42
Purchases of property and equipment in accrued liabilities and other | $		$ 8.3		$ 8.9
Sunseeker Resort
Property, Plant and Equipment [Line Items]
Asset Impairment Charges | $			$ 321.8

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